HARDIRQ_SHIFT 40 include/linux/preempt.h #define NMI_SHIFT (HARDIRQ_SHIFT + HARDIRQ_BITS) HARDIRQ_SHIFT 46 include/linux/preempt.h #define HARDIRQ_MASK (__IRQ_MASK(HARDIRQ_BITS) << HARDIRQ_SHIFT) HARDIRQ_SHIFT 51 include/linux/preempt.h #define HARDIRQ_OFFSET (1UL << HARDIRQ_SHIFT) HARDIRQ_SHIFT 558 kernel/debug/debug_core.c kgdb_info[cpu].irq_depth = hardirq_count() >> HARDIRQ_SHIFT; HARDIRQ_SHIFT 2050 kernel/locking/lockdep.c curr->hardirq_context, hardirq_count() >> HARDIRQ_SHIFT, HARDIRQ_SHIFT 3088 kernel/locking/lockdep.c trace_hardirq_context(curr), hardirq_count() >> HARDIRQ_SHIFT,